package com.baizhi.service;

import com.baizhi.entity.Class;
import com.baizhi.entity.Group;
import com.baizhi.entity.Tag;

import java.util.List;

public interface GroupService {

    //查询寻所有
    public List<Group> queryAll();

    //删除一条数据
    public void deleteById(int id);

    //插入一条数据
    public void insertGroup(Group group);

    //查询所有的班级
    List<Class> selectGroupClass();
}
